efficiency engineer eeny meeny miney moe • effigy mound · · · Info · Definitions · Antonyms · Characters · · efficiency engineer · · Text Common · · Latin · · Scripts 19 · · Length Definitions · · · (noun) an expert in increasing the efficient use of machines and personnel. Synonyms: efficiency expert. · · Noun Definition 1 Antonyms · · · inefficiency · · Antonym 0 Characters · · space U+0020 c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 y latin small letter y U+0079